Siemens SINUMERIK 840Di Manual page 117

06.03
 Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
2.13 ADI4 (analog drive interface for 4 axes) (SW 09.01 and higher)
Connection if an external power supply is used
2
P24OUText the connection to
;
S
Internal power supply P24OUT
The power supply available for digital inputs at X6-2, pin 1 is specified as
follows:
Table 2-34 Specification of the power supply voltage P24OUT
Voltage
minimum
nominal
max.
Ripple
max.
Current load
typical
max.
Power consumption
typical
max.
Insulation class
S
Typical output voltage:
V :
CC
max. output current I
OUT
Internal resistor R :
ON
S
The power supply P24OUT is short-circuit-proof
S
External power supply P24OUText
If an external power supply Is used for the digital inputs, its reference ground
must be connected to X6-2, pin 12 (GND).
X6-2, pin 1 (P24OUT) then remains open.
S
Electrical specification of the digital inputs
Table 2-35 Electrical specification of the digital inputs
Digital inputs
Voltage at high level (V
hi)
Input current I at VU
IN hi
Voltage at low level (V
lo)
Signal delay T and T
PHL PLH
S
1) see Table 2-34, page 2-117
S
2) The PROFIBUS communication time and the application cycle
time must also be taken into account.
S
Polarity reversal causes neither high level nor destruction of the inputs.
S
Connecting cable: The required connecting cables must be provided by the
user.
is then no longer necessary
1
A, acc. to DIN 57110b
<R
V – I – 0.65V
CC OUT ON
Current P24OUT operating voltage
: 1A
0.4W
min. typical
15V
3.7mA
–30V
2)
– 3msecs
2 Hardware Descriptions
.
20.4V
24V
28.8V
3.6Vpp
0.1A
1A
3.02W
30.2W
max. nominal
1)
30V 24V
– 7.5mA –
– +5V 0V
– –
2-117